April weather forecastSylvester, PA
April
Weather in April
April in Sylvester, Pennsylvania, is a cool spring month, with temperature in the range of an average high of 53.2°F (11.8°C) and an average low of 34.5°F (1.4°C).Temperature
April marks a rise in the average high-temperature, moving from March's cold 41°F (5°C) to a cool 53.2°F (11.8°C). Throughout April nights, Sylvester experiences a consistent temperature average of 34.5°F (1.4°C).Humidity
The months with the lowest humidity in Sylvester are April through June, with an average relative humidity of 78%.Rainfall
April is the month with the most rainfall. Rain falls for 16.4 days and accumulates 2.95" (75mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Sylvester, Pennsylvania, in April, during 4.7 snowfall days, 2.87" (73mm) of snow is typically accumulated. In Sylvester, during the entire year, snow falls for 80.4 days and aggregates up to 33.03" (839mm) of snow.Daylight
In April, the average length of the day is 13h and 23min.On the first day of the month, sunrise is at 6:51 am and sunset at 7:36 pm. On the last day of April, sunrise is at 6:06 am and sunset at 8:08 pm EDT.
Sunshine
The average sunshine in April in Sylvester is 7h.UV index
The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 3 during April leads to these instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Opt for tightly woven and loose clothing to enhance protection from the Sun. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Sylvester, PA
- Average high temperature in April: 53.2°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in April: 34.5°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in April
Sylvester, PA
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Sylvester, PA
- Average wind speed in April: 9mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in April
Sylvester, PA
- Average humidity in April: 78%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, May and June (78%).
Average rainfall in April
Sylvester, PA
- Average rainfall in April: 2.95"
The wettest month (with the highest rainfall) is April (2.95").
The driest month (with the least rainfall) is November (1.81").
Average rainfall days in April
Sylvester, PA
- Average rainfall days in April: 16.4 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is February (7.2 days).
Average snowfall in April
Sylvester, PA
- Average snowfall in April: 2.87"
The month with the highest snowfall is February (7.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Sylvester, PA
- Average snowfall days in April: 4.7 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Sylvester, PA
- Average daylight in April: 13h and 24min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 7h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 6min).
Average sunshine days in April
Sylvester, PA
- Average sunshine days in April: 9.5 days
The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is February (7.1 days).
Average UV index in April
Sylvester, PA
- Average UV index in April: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Sylvester, PA
- Average cloud cover in April: 55
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in April
Sylvester, PA
- Average visibility in April: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
